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LAG SCREWS. 439
TABLE No. 76. —Giving the Average Weight in Pounds
per 100 Square Head Gimlet-Pointed Lag Screws.
LENGTH
in Inches.
*" A" 3/6" 7 »
TF #" ft" s/s" H" 7/8
" 1"
1^ 23/< H 7 10
2 3^ « «* 12 17 24 27i
2^ *X 6* 9| 14 19 26 31
3 Wa. 7* 11 16 21 28 34 51
3^ *>% 8* 12* 18 24 31 38 55
4 *ti n 14 20 26 34 42 60 85 112
±% ey
2 10* 151 22 28 37 46 65 91 121
5 7 u* 17 24 32 40 50 70 97 130
5^ 7^ 12* 18* 26 34 43 54 76 103 140
6 8 18* 20 28 36 46 58 81 110 150
6^ 24 30 38 49 62 86 117 160
7 23 32 41 52 65 92 125 170
7% 241 34 44 55 69 97 132 180
8 26 36 47 58 73 103 140 190
sy
2 77 108 148 200
9 81 113 156 210
9^ 85 118 164 220
10 89 123 172 230
Size of ^ J *
$ J®
H ^
N(30 «|eo
Head in X X X X X X x
X X X
Inches. to
1
"H
\N \X co|n
win
OT|0
1
-H
«efco
i—i
n|Qo
T—
t
<
GIMLET-POINTED LAG SCREW.
Example.
What is the weight of 8 lag screws 6" long and ^-inch
in diameter ?
Solution:
Under the heading ^-inch, in the line with 6 in the column
of length, is the number 36. Thus, 100 lag screws of this size
will average to weigh 36 pounds, and one such screw will weigh
0.36 pound ; 8 such screws will weigh 0.36 X 8 = 2.88 pounds.
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